1389035590 has 8 divisors (see below), whose sum is σ = 2500264080. Its totient is φ = 555614232.

The previous prime is 1389035581. The next prime is 1389035629. The reversal of 1389035590 is 955309831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69451770 + ... + 69451789.

It is an arithmetic number, because the mean of its divisors is an integer number (312533010).

Almost surely, 2^1389035590 is an apocalyptic number.

1389035590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1389035590 is a deficient number, since it is larger than the sum of its proper divisors (1111228490).

1389035590 is a wasteful number, since it uses less digits than its factorization.

1389035590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138903566.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 1389035590 is about 37269.7677749674. The cubic root of 1389035590 is about 1115.7608647103.

The spelling of 1389035590 in words is "one billion, three hundred eighty-nine million, thirty-five thousand, five hundred ninety".